Ichthyomys tweedii, Anthony, 1921
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https://doi.org/ 10.5281/zenodo.6707142 |
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https://doi.org/10.5281/zenodo.6726748 |
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persistent identifier |
https://treatment.plazi.org/id/03F06D13-FF2E-20E7-0D9F-18250FBAFA93 |
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Carolina |
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Ichthyomys tweedii |
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347. View Plate 19: Cricetidae
Tweedy’s Crab-eating Rat
Ichthyomys tweedii View in CoL
French: Ichthyomys de Tweedy / German: Tweedy-Krabbenratte / Spanish: Rata cangrejera de Tweedy
Other common names: Tweedy'’s Ichthyomyine
Taxonomy. Ichthyomys tweedii Anthony, 1921 View in CoL , “Portovelo, Prov. del Oro, Ecuador; alttude, 2000 ft. [= 610 m].”
It includes I. caurinus which is treated as junior synonym of I. tweedii . Monotypic.
Distribution. C Panama and lowlands and Andean foothills of W Ecuador. View Figure
Descriptive notes. Head-body 143-197 mm, tail 132-155 mm, ear 8-12 mm, hindfoot 33-40 mm; weight 123-155 g. Large ichthyomyine, with dark unicolored tail, bilobed M,, and massive skull featuring broad rostra and flaring zygomatic arches. Dorsal pelage is dense and woollylooking. Back is dark brown; flanks are paler; and venter is white to yellowish gray, strongly contrasting flanks and back. Tail is uniformly dark brown, equal or somewhat smaller than head-body length. Outer edges of feet and fingers have fringes of rigid silver-to-white hair.
Habitat. Small streams bordered by dense secondary vegetation from sea levelto elevations of ¢.1350 m.
Food and Feeding. Tweedy’s Crab-eating Rat eats fish, crabs, and aquatic insects.
Breeding. A Tweedy’s Crab-eating Rat collected during late wet season (May) had two newly implanted embryos in utero.
Activity patterns. Tweedy’s Crab-eating Rat is both diurnal and nocturnal, and semiaquatic.
Movements, Home range and Social organization. Tweedy’s Crab-eating Rats are solitary.
Status and Conservation. Classified as Data Deficient on The IUCN Red List. Extent of occurrence, status, and ecological requirements of Tweedy’s Crab-eating Rat are unknown. It could more widely distributed because it is known from two disjunct areas.
Bibliography. Anthony (1921), Santillan & Segovia (2013), Thomas (1924b), Tirira, Boada, Samudio & Pino (2008), Voss (1988, 2015b), Voss et al. (1982).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Ichthyomys tweedii
| Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr 2017 |
Ichthyomys tweedii
| Anthony 1921 |